22nd February 2024

A 40-year-old gentleman presents with a 6-month history of anxiety.

A 40-year-old gentleman presents with a 6-month history of anxiety. He has been driving to work via a long tunnel. He develops anxiety,  palpitations and a heaviness in his chest every time he drives through the tunnel. He is not known to have a cardiac history and his ECG and blood tests are normal. He doesn’t notice these symptoms at any other time of the day.

What is the most likely diagnosis?

Select the SINGLE most appropriate option from the list below. Select ONE option only.